Update wps-test/ui/chartjs.html

wps-test/ui/chartjs.html

@@ -5,6 +5,8 @@
 <div style="width:600px;height:500px;margin:auto">
 <canvas id="myChart" width="400" height="300"></canvas>
 </div>
+<button onclick="fx()">转为base64资源</button>
+<p></p>
 <script>
 const ctx = document.getElementById('myChart');
 const myChart = new Chart(ctx, {type: 'bar',
@@ -21,6 +23,6 @@ const myChart = new Chart(ctx, {type: 'bar',
 <script>
 function fx(){
 	var a=canvas.get(0).toDataURL();
-	alert(a)
+	document.getElementsByTagName('p')[0].innerText=a
 }
 </script>